    {:name :margin-left     :required false                       :type "string"           :validate-fn string?           :description "a CSS style describing the horiztonal offset from anchor after position"}
    {:name :margin-top      :required false                       :type "string"           :validate-fn string?           :description "a CSS style describing the vertical offset from anchor after position"}
    {:name :tooltip-style?  :required false :default false        :type "boolean"                                         :description "setup popover styles for a tooltip"}
-   {:name :title           :required false                       :type "string | markup"                                 :description "describes a title"}])
+   {:name :title           :required false                       :type "string | markup"                                 :description "describes a title"}
+   {:name :popover-border-color :required false                  :type "string"           :validate-fn string?           :description "color of the popover arrow stroke"}])
 
 (defn popover-border
   "Renders an element or control along with a Bootstrap popover"

       :reagent-render
       (fn
         [& {:keys [showing-injected? position-injected position-offset no-clip? width height backdrop-opacity on-cancel title
                    close-button? body tooltip-style? popover-color arrow-length arrow-width arrow-gap padding class style attr]
             :or {arrow-length 11 arrow-width 22 arrow-gap -1}
             :as args}]
         {:pre [(validate-args-macro popover-content-wrapper-args-desc args "popover-content-wrapper")]}

   {:name :body              :required false                        :type "string | hiccup"  :validate-fn string-or-hiccup? :description "describes the popover body. Must be a single component"}
   {:name :tooltip-style?    :required false  :default false        :type "boolean"                                         :description "setup popover styles for a tooltip"}
   {:name :popover-color     :required false  :default "white"      :type "string"           :validate-fn string?           :description "fill color of the popover"}
   {:name :popover-border-color :required false                     :type "string"           :validate-fn string?           :description "color of the popover arrow stroke"}
   {:name :arrow-length      :required false  :default 11           :type "integer | string" :validate-fn number-or-string? :description "the length in pixels of the arrow (from pointy part to middle of arrow base)"}
   {:name :arrow-width       :required false  :default 22           :type "integer | string" :validate-fn number-or-string? :description "the width in pixels of arrow base"}
   {:name :arrow-gap         :required false  :default -1           :type "integer"          :validate-fn number?           :description "px gap between the anchor and the arrow tip. Positive numbers push the popover away from the anchor"}
